SDR AALA20171109009

Service difficulty report · Smoke Detector · Airbus A321231

Difficulty date: November 9, 2017
Submitted: November 20, 2017
Operation: Air carrier
Aircraft: N151AN
Make and model: Airbus A321231
Aircraft serial: 6840
Aircraft time: 6,537 hours, 2,525 cycles
System (JASC): 2611 · Smoke Detection
Part: Smoke Detector
Part number: PPC120000
Condition: False Activation
Location: Lavatory
Stage of operation: CL
How discovered: O
Nature of condition: N
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIRCRAFT WAS GROUNDED: AFT LAVATORY SMOKE DETECTION ALARM AND INDICATION SOUNDED ON CLIMB OUT OF DFW, EMERGENCY WAS DECLARED, AIRCRAFT WAS RETURNED TO DFW. ACCOMPLISHED AMM 27-17-00, NO FAULTS NOTED, REPEAT ITEM. MAINTENANCE REPLACED SMOKE DETECTOR PER MM 26-17-15 AND MM 26-17-00. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.

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